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Updated in
2026 :
April :
12 : Mathematical Calculation
;
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Updated on
12 :
4 :
2026 :
Mathematical Calculation ;
(equation,
expression,
form,
formula,
function, method, system)
Radical992;
(
relations,
relations,
relations),
also see: Control Character;
Display .robotic LCD;
Internet Connection;
Mathematical
Calculations; Server;
。
Basic trigonometric functions (SOH CAH TOA), e.g.
| s | (sine, |
e.g. sine degree angle is equal to (opposite/hypotenuse) |
6sComputer | ||||||
| S | SINE) = | ||||||||
| o | (opposite, | ||||||||
| O | OPPOSITE) | ||||||||
| h | (hypotenuse, | ||||||||
| H | HYPOTENUSE) | ||||||||
| c | (cosine, | e.g. cosine degree angle is equal to (adjacent/hypotenuse) | |||||||
| C | COSINE) = | ||||||||
| a | (adjacent, | ||||||||
| A | ADJACENT) | 3cComputer | |||||||
| h | (hypotenuse, | ||||||||
|
|
H | HYPOTENUSE) | |||||||
| t | (tangent, | e.g. tangent degree angle is equal to (opposite/adjacent) | |||||||
| T | TANGENT) = | ||||||||
| o | (opposite, | ||||||||
| O | OPPOSITE) | ||||||||
| a | (adjacent, | ||||||||
| A | ADJACENT) | 9tComputer | |||||||
Remark: easy to remember, if pronounce like "So" "Ka" "Toe" (SOH CAH TOA) ... ;
(
kankei Relations,
RELATIONS,
relations,
Relations,
relations), also see:
Distance;
k Usage;
Mathematical
Calculations; Mathematics;
r Character;
(
kyokusen Curve,
Curve,
Curve,
Curve,
Curve,
Curve,
Curve,
Curve), also see:
c
Character Extension1 (e.g.
Curve);
curve;
l Character
(e.g. line);
Mathematical
Calculations (e.g.
Integral); (
Water Clock:
aroma,
fragrance,
odor,
perfume,
redolence,
savor,
smell);
| Name | Mathematical Calculations | Remark |
| cos^-1 ((SQRT3) / 2) | i.e. arc cosine (??) degree | ... for each pair of moon waves; |
|
Sine x |
= (O p p / H y p) |
doko WHERE 0 < x < π ; |
| (a^m)^n = a^mn |
|
Power M (Multiplex) Power N |
| a^mn = (a^m)^n |
|
|
| log a^m = m log a |
|
Power to a Log |
| log (a by b) |
|
Minus |
| log a by log b | Base | |
| log (Base c) a b | Plus | |
| log (Base a) a | variable As Base | |
| a log (Base a) b | Distance to b (Walls) | |
| a^(log (Base a) b) = b |
|
a trick like 92x = 9x Dot Product 9x |
| e.g. 10 (9 · 4) = 36 (10) | ||
e.g. March 14, a.k.a. Pi Day (22/7
is 3.14, ((proportion,
ratio,
Radical102) of
(
kyori Distance,
kyori Distance,
kyori Distance)) around the circle to the distance across it)
... ; Also see: Mathematics;
Mathematical Calculations;
p Character;
e.g. (Walls (a, b, c,
x)
Parameter (side-by-side
Processor) :
Teleportation ((SQRT2 (±98)) at
Remote 100)) doko
WHERE (
,
,
) ;
(
log,
log,
log,
log) e.g. in
Mathematical Calculations,
log base can be any (Decimal, Fraction, Number), however (
, log 1 = 0, log (Decimal, Fraction, Number) 1 = 0 ),
i.e. very useful for
Numerical values in numerology (log 1 is
Zero), e.g.
Numerlogical0 ... , And Then, "
NOT log (Decimal,
Fraction, Number) 1" (mean,
prompt) numerological
(Val. , Ref. ) so numerological dimensional (e.g. sizes of "ro" (
,
)), (numerological logical (e.g.
LoShu magic square,
Sudoku (
3,
6,
9)), also
see: Network Topology), numerological
structural (e.g. (magic, plot, stratagem, trap, trick,
Radical298),
(measure, plan, plot, scheme,
Radical731),
Scalar-Field (s), (
Table,
Table,
Table,
Table)), ... ; Remark: log a.k.a. logarithm; (
log,
log,
log,
log);
。
exponent; Exponent; e.g.
WHEN dealing with (
exponent,
exponent,
exponent,
exponent,
exponent), (
exponent,
exponent,
exponent,
exponent,
exponent),
1st to think of (Allow OR (NOT Allow)); if Allow,
find
WHICH (((
,
,
,
), (
,
,
,
))
rule,
Rule, RULE, rules, ... ) to apply, e.g.
don't confuse with
(?^2 (square ones, ?^3 (cube ones));
don't confuse with Mathematical Operators, N - A R Y SUMMATION (" ∑ ") ;
Exponent, a.k.a.
Power;
Exponents, a.k.a. Indices;
if Basic Latin,
LATIN SMALL LETTER E ("e") ;
if Pre School
English Typing .exe, ASCII ("101") ;
if Symbol, "e" in English language;
if Symbol, ESTIMATED SYMBOL (℮) ;
if Superscripts and Subscripts, ("ₑ") ;
Negative exponent
indicates NOT multiplication;
Negative exponent means division (Method, Procedure, Technique);
regarding
Mathematical Calculations, Log (at both sides) for solving exponents, if
possible (Remark:
sometime, impossible);
regarding Mathematical Calculations, can switch exponents, e.g.
, i.e. (2^x)^3 = (2^3)^x ;
regarding Mathematical Calculations, can switch exponents, e.g. (2^y)^3 = (2^3)^y ;
regarding Mathematical Calculations, can switch exponents, e.g. (2^z)^3 = (2^3)^z ;
Times (based Number) i.e. exponent;
WORMHOLE can connect 2 diff regions at the
same Time ... (Reference Books,
also read: Prof. Michio Kaku's PHYSICS books) ;
can switch exponents, so
Teleportation may begin i.e. (
cosmos,
space,
universe) ... ;
( Zero,
One), related to
exponents would be: "exponent 0" means 1, on the other hand, "exponent 1" means
Number itself;
e.g. 2^9 = 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 * 2 ;
e.g. 3^8 = 3 * 3 * 3 * 3 *
3 * 3 * 3 * 3 ;
e.g. 2^8 = 2 * 2 * 2 * 2 * 2 * 2
* 2 * 2 ;
e.g. 3^7 = 3 * 3 * 3 * 3 *
3 * 3 * 3 ;
e.g. 2^7 = 2 * 2 * 2 * 2 * 2 * 2
* 2 ;
e.g. 3^6 = 3 * 3 * 3 * 3 *
3 * 3 ;
e.g. 2^6 = 2 * 2 * 2 * 2 * 2 * 2 ;
e.g. 3^5 = 3 * 3 * 3 * 3 *
3 ;
e.g. 2^5 = 2 * 2 * 2 * 2 * 2 ;
e.g. 3^4 = 3 * 3 * 3 * 3 ;
e.g. 2^4 = 2 * 2 * 2 * 2 ;
e.g. 3^3 = 3 * 3 * 3 ;
e.g. 2^3 = 2 * 2 * 2 ;
e.g. 3^2 = 3 * 3 ;
e.g. 2^2 = 2 * 2 ;
e.g. 3^1 = 3 ;
e.g. 2^1 = 2 ;
e.g. 3^0 = 1 ;
e.g.
2^0 = 1 ;
(
exponent,
exponent,
exponent,
exponent,
exponent), (
exponent,
exponent,
exponent,
exponent,
exponent),
also see: e
Character;
5eComputer;
Mathematical Calculations;
。
factorial; Factorial; FACTORIAL; e.g.
IFF Command (
line,
line,
line,
line)
Parameter,
And Then, type (e.g.
C:\IT\ExecutableApplication\PreSchoolEnglishTyping.exe
)
And Then, type "!,"
And Then, realize & understand THAT ASCII numerical value of the key is 33,
WHICH has
been used for (cheerful, grateful, wonderful, ... ) sign & symbol in English
language, if compare to (factorial, Factorial, FACTORIAL) in
Mathematics (Mathematical Calculations) ...
e.g.
9! (mean (s),
prompt (s), represent (s)) 9 * 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1;
8! (mean (s), prompt (s), represent (s)) 8 * 7 * 6 * 5 * 4 * 3 * 2 * 1;
7! (mean (s), prompt (s), represent (s)) 7 * 6 * 5 * 4 * 3 * 2 * 1;
6! (mean (s), prompt (s), represent (s)) 6 * 5 * 4 * 3 * 2 * 1;
5! (mean (s), prompt (s), represent (s)) 5 * 4 * 3 * 2 * 1;
4! (mean (s), prompt (s), represent (s)) 4 * 3 * 2 * 1;
3! (mean (s), prompt (s), represent (s)) 3 * 2 * 1;
2! (mean (s), prompt (s), represent (s)) 2 * 1;
1! (mean (s), prompt (s), represent (s)) 1 * 1;
Remark:
numerological linear calculations may begin ... ; numerological matrix (in
common, (3 columns, 3 rows) calculations may begin ... ;
Binomial Coefficient e.g. (53)
doko
WHERE
5 (choose, pick, select)
3, other wordings would
be:
n (choose,
pick, select)
k, calculated by fraction, e.g. take n 1st, And Then,
apply formula
Binomial Coefficient (nk) is
equal to n! by (k! . (n-k)!), a.k.a. (nk) = n! / (k! .
(n-k)!) ... ;
in Computer Science . Browser, think of incoming Textbox (Val. , Ref. ) As FE (Front End), in this case, area of ". (n-k)!" ;
IFF
Idea Processor
(Buddha's Abhidharma based for humanoid nama) so
k should
be 5 then;
IFF
Artificial Intelligence (AAI, AI, A I A) so
k should
be 4 then;
IFF Search Engine (3 lines are required) so
k should be 3 then;
IFF 1&1 design model, 2! with 1! would be very useful, regarding (factorial, Factorial, FACTORIAL) ... ;
Also see: 3bComputer; 5cComputer;
。
integral; Integral; INTEGRAL; e.g.
WHEN,
doko
WHERE,
kuru kuru
WHILE calculating a
Curve,
Integral is ((calculation based on something (heard, read)
Radical951),
deployed, implemented, used, utilized) with
Limit
(e.g. from minus to plus, from zero to infinity, from zero to one (a.k.a.
decimal)) WHEN, WHERE, WHILE calculating a curve, based on a (
line,
line,
line,
line)
line
e.g. (a line on
x), ( a line on
y), ( a
line on
z) ... regarding (SOH,
CAH,
TOA),
Complexity Region (s) exist (if
the line is a chord, if the line is a radius (i.e. related to
radian), if the line is a
tangent), ... ,
And Then, don't forget R&D yourself by (Applying, Using) Circle Rules
a.k.a. Circular Geometric Theorem ...
And Then, if from zero to one "decimal numbers" belong to (SQRT3, SQRT2),
And Then, floating points may begin ... so ((
Integral Upper Ref (TOP HALF INTEGRAL ("⌠"))), (
Integral Lower Ref (BOTTOM HALF INTEGRAL ("⌡")))) in
Mathematical Calculations
may (become, initialize)
aesthetics in
philosophy ... ;
。
(
INV,
INV,
INV,
INV), inverse
function, a function THAT 's reversing another function;
e.g. (
DEG . cos) 's INV is cos^-1;
e.g. (
DEG . e) 's INV is (
R A D . e);
e.g. (
DEG . ln) 's INV is e^x;
e.g. (
DEG . log) 's INV is 10^x;
e.g. (
DEG . sin) 's INV is sin^-1;
e.g. (
DEG . tan) 's INV is tan^-1;
e.g. (
DEG . !) 's INV is (
R A D . !);
e.g. (
DEG . π) 's INV is (
R A D . π);
e.g. (
DEG . ^) 's INV is (
R A D . ^);
e.g. (
DEG . "(") 's INV is (
R A D . "(");
e.g. (
DEG . ")") 's INV is (
R A D . ")");
e.g. (
DEG . √) 's INV is x^2;
INV is INVERSE, i.e. math usage
... ; Also see: Mathematics;
INV is INVOICE, i.e. business usage ... ; Also see: Biz;
I wrote: I've created a picture i.e.
INVERSE, and I've a quiz: regarding (our earth, our moon), if I'm on the moon,
HOW would the "INVERSE" would be?
well trained kids! replied: very easy quiz; since (area, environment) has lots of (Silver), Blue and Green are reversing each other sir;
I wrote: yes. so desu nal ... ; don't forget THAT (Yellow) and (Red) are also reversing ... ;
(
INV,
INV,
INV,
INV), also
see: 9iComputer;
Mathematical Calculations;
Physics Law 181;
inverse cosine; e.g.
inverse cosine, a.k.a. arccos, denoted as:
| cos^-1 | ( |
|
x | ) | |||||
|
|
OR | arccos | ( |
|
X | ) | |||
| cos^-1 | ( |
|
y | ) | |||||
|
|
OR | arccos | ( |
|
Y | ) | |||
| cos^-1 | ( |
|
z | ) | |||||
|
|
OR | arccos | ( |
|
Z | ) | |||
| cos^-1 | ( |
|
x | ) | |||||
|
|
NOT | ( | 1 | / | cos (x) | ) | |||
| cos^-1 | ( |
|
y | ) | |||||
|
|
NOT | ( | 1 | / | cos (y) | ) | |||
| cos^-1 | ( |
|
z | ) | |||||
|
|
NOT | ( | 1 | / | cos (z) | ) | |||
kuru kuru
WHILE (Input
(angle), Output (ratio)) OR
arccos ((Input (ratio e.g. DOMAIN [-1,
+1])) OR
output
(corresponding angle)) :
if DAL, also see:
Schematic Symbols e.g.
;
if Definition, e.g. y = arccos (x), And Then, cos (y) = x;
if (
derivative,
derivative,
derivative,
derivative) derivatives,
(arccos x) d/dx = - 1 / √(1-x^2) doko
WHERE x is (-1<x<1);
if DOMAIN, [-1, +1];
if
Integral,
; Remark: numbers of "C"
can be Capacitance in
hardware;
if Range, a.k.a. Principal
Value (Val.), e.g. [0, π] radian
OR [0, 180]
degree,
so,
output can be (indicated, limited,
restricted) by
range;
if
Replication function,
ID should obey (
, arcsine (x) + arccos (x) = π divided by 2);
。
Ln; e.g.
((
,
,
,
) i.e. Ln (1) = 0); in
Mathematical Calculations,
(Ln (1) a.k.a. Logarithm (1)) has been excluded, e.g. Keyword (nil, NULL) in
Computer Science are neither
Negative nor Positive (Also see:
8lComputer);
other wordings would be NOT calculating Ln (1), however i.e. very useful in
numerological, e.g.
Numerological0, because non-zero (factors, floating points (SQRT3), floating
points (SQRT2), numerical numbers, numerological mapped numbers) can be PCS based computing
(since 2025) in addition to ZCS based computing, ... ; Reminder:
because of PCS based computing, in the near future,
ware ware We'll
have (aroma,
fragrance,
odor,
perfume,
redolence,
savor,
smell),
kuru kuru
WHILE watching
movie ... ; Remark:
sayana (Stage, State, Status) is very important "New Usage,"
regarding neither Negative nor Positive ;
you may R&D
yourself, e.g. kuru kuru WHILE calculating
derivatives, if integer whole numbers
prompt, then replace with
zero ... ;
you may R&D yourself, e.g. kuru kuru WHILE
calculating Logarithm, if Ln (1)
prompt, then replace with
zero ... ;
you may R&D yourself, e.g. kuru kuru WHILE
calculating x, exponents of derivatives x should be excluded (nil, NULL);
you may R&D yourself, e.g. kuru kuru WHILE
calculating y, exponents of derivatives y should be excluded (nil, NULL);
you may R&D yourself, e.g. kuru kuru WHILE
calculating z, exponents of derivatives z should be excluded (nil, NULL);
if DAL, don't
forget THAT
is
equal to Ln
, also see:
Schematic Symbols
(
Y = Ln X), a.k.a.
e
constant, ... ;
。
Ordinary Differential Equations (ODE) e.g.
(
ODE,
ODE,
ODE,
ODE), Ordinary Differential Equations
(ODE) i.e. NOT partial differential
equations, e.g.
WHAT is ODE? Answer would be among
derivatives,
form
(s),
(((measure, plan,
plot, scheme,
Radical731),
(magic,
plot, stratagem, trap, trick,
Radical298))
plot (s)),
((
Table,
Table,
Table,
Table)
table
(s)),
Scalar-Field (s), e.g.
small amount of (
x)
would be 'dx' ... ,
small amount of (
y) would be 'dy' ... ,
small amount of (
z) would be 'dz' ... ,
regarding Basic (x, X), if (
interval, Real-time, timeslot) are
needed in Mathematics, e.g. ( x +
3 = 2^2 ) can be
represented as 3x/dt +
3 = 2^2, so instead of "x," its derivatives (in this case: dx/dt) doko
WHERE t
(-time, Time) is, so ODE can be realized & understood; another example in (2 *
6) momentum (our
earth) would be Newton's (F = ma) doko
WHERE
acceleration "a" can be 2nd derivatives (e.g. a = (dv (Velocity)) / dt (Time)) =
2nd derivatives on
"x" (d^2 x / d t^2 (-time)) WHERE "m" is a
Number AND 2nd derivatives of
its (
position,
position,
position,
position) "a", also see:
3;
2;
Mathematical Calculations;
6oComputer;
by the way, in
Computer Science, if you know
five e.g. (Left's 5, Right's 5),
And Then, you should be global military generals (if nothing to do
with money), OR you should be billionaires of
US Dollar rich
(if something to do with money (e.g. donations, gifts, ... )), and don't forget
THAT KNOWLEDGE IS
POWER, starting from e.g. the most challenge in 21st century &
beyond would be
Anti-Earthquake design model,
Gene Therapy
System (fully
Recovery to
WHOM) by
Nanobot Programming, Natural
Water Elevator (kadosei Mobility,
PCS based
computing in addition to
ZCS based computing (since 2025),
ZCS based computing), ... ;
。
quadratic; e.g.
kuru kuru
WHILE dealing with squared x, (e.g. x^2),
kuru kuru WHILE dealing with squared y, (e.g. y^2),
kuru kuru WHILE dealing with squared z, (e.g. z^2),
quadratic (General Form, general term) e.g. (ax^2 + bx + c = 0) a.k.a. (ax2
+ bx + c = 0) ... ;
Remark:
kuru kuru
WHILE factoring, in common,
4ac has been used in
Quadratic Formula ... ; Reminder: apply to (x^2, y^2,
z^2) squared ones only AND (
NOT For (x^3, y^3, z^3)) ... ;
。
radian; Radian; RADIAN; e.g.
Remark: in
Computer Science (
cosmos,
space,
universe), don't confuse between (
15 degree by SQRT2 longitudes) and ((SQRT15)/2), and
recommended formulary for
Mathematical Calculations,
e.g.
, i.e. (x - a)^2 + ( y - b)^2 = r^2 As
Radius;
Also see:
radian;
, i.e. a^2 + 2ab + b^2 = (a + b)^2 As Pythagorean;
, i.e. Distance
(d) = √((x1 - x2)^2 + (y1 - y2)^2)
As Hypotenuse;
, i.e. (f (x, y) = ((x^2) + (y^2)) = 13 WHEN ((x = 3)
and (y = 2))), a.k.a. f (x, y) = ((x^2) + (y^2)) Output
13
WHEN ((
x=3) AND
(
y=2)), a.k.a. FUNCTION OF (
X,
Y) is equal to 'X SQUARE' plus 'Y SQUARE' ;
Remark:
doko
WHERE 500.98+
would be:
remote
((0.5), (1/2), (1:2)), a.k.a.
(Method, Procedure, Technique) in Network Topology ...
; kuru kuru
WHILE dealing
with many (
derivative,
derivative,
derivative,
derivative) derivatives
e.g.
multi-systems (
Time) should be
1st priority, e.g.
nitotte
For DOMAIN [-1, +1], Laplace Transform (Method, Procedure, Technique) should
be calculated,
deployed,
implemented,
measured,
used,
utilized, ... ;
Also see:
3;
2;
Mathematical
Calculations;
radian; since 1980s,
multi-systems inventor Toshiba has been very very very genius ... ;
。
rule; Rule; RULE; rules; e.g.
((
,
,
,
), (
,
,
,
))
rule,
Rule, RULE, rules, ... ;
Chain Rule ... ;
Constant Rule ... ;
(Multi- , Multiple) Rule ... ;
Power Rule ... ;
Product Rule ... ;
Quotient Rule, e.g. cos^-1 (SQRT3/2)
nitotte
For
kaku
Each pair of moon waves in degree,
And Then, Quotient Rule for fraction, e.g.
Quotient Rule for fraction ƒ (z) = u ÷ v
, And Then, it derivative ƒ ' (z) = ( u ' . v - u . v ' ) ÷ v^2;
Also see:
3;
2;
Anti-Earthquake; d Computer (derivative);
Mathematical
Calculations; area between curves, 1st. intersecting points (e.g.
1 chord of 2 circles); 2nd. using Absolute Value
(a.k.a. Val. ) Bar i.e. using "| |" e.g.
|
a
b ƒ (x) - g (x) dx | doko
WHERE 'g'
for Gravity;
3rd. solve integral; 4th.
anti-derivative;
5th.
years ahead,
in our earth, NOT EXIST (Earthquake) prompt
means the Shakya King will GRANT DEED (
Me,
Me,
Me,
Me) 1 whole human beings livable moon among
many human beings livable moons in our universes ... ;
well trained
kids!! replied: HOW can we calculate to solve integral sir?
I wrote: OH!!
OH!!
You need to realize & understand
180 degree to the defined USB,
good example would be:
WHEN very very fast trains are traveling at a curve, to maintain
(on tracks + its speed) means dubbing DEE spot at
180 degree to the defined USB,
so results of
(
Elevating,
Landing) for each side (of the very very
fast trains) can be calculated by
Processor
, so called "Side-by-Side Processor" ... ; Remark: this info is
worth more than trillions of US Dollar; till 2026, I still cannot dub my 2024
Toyota Land cruiser 1958 Edition's front lights ... ;
You should have your own rules ... e.g. Your Own Rule ... ;
。
2008 Fuzzy mathematical calculation, (also see: http://documents . wolf ram .com / applications / fuzzy logic / Manual /10 .html), so that addition, subtraction, multiplication, image, max function, min function, ... can be further studied in fuzzy approach ... ;
2007
ADC's distortion causes its
sample rate becomes (sample rate / 2), and bandwidth signal [i.e.
S N R
50dB at 12bit per 1G sample per second] prompts, and then processing gain can be
calculated as:
processing gain = -10(log(bandwidth_signal/(sample rate/2))).
If jitter, for the given system,
S N R to jitter calculated as:
S N R
is approximately -20(log10((2π_cycle f frequency _input) (t jitter)))
;
2007 I P M motor's Torque: Depending
on types of motor, calculation may vary; In
I P M motor [e.g. air con compressor
motor], when calculating magnet _torque and reluctance _torque, 2 * rotor angle in
sine is used as:
torque T = P n ((Φ * ampere I * (cosine (β))) + (1/2(inductance L q
- inductance Ld) * (square (ampere I)) ) * sine(2 * β)); AC input
into rectifier, and then normal power supply P n can be measured. The
given F O C is sensor-less. Velocity
control can be further studied. IFF
2 phase circuit, while current I is looping, flux can be estimated, because the
circuit's back E M F are in cosine and sine as: volt V1 = (resistance R s
* current I1) + (inductance Ls * (dI1 / d t
vary I1 at time t))
+ (d / d t at time t(-Ψ r
* cosine (θ r)));
V2 = (resistance R s *
current I2) + (inductance Ls * (dI2/d t
vary I2 at time t))
+ (d / d t at time t(-Ψ r
* sine (θ r))); WHERE rotor's flux
angle in cosine and sine are as: Ψ r
* cosine (θ r) =
integration ∫ integral in
distance as
∫((resistance R s * current I1) - V1) +
(inductance Ls * I1); Ψ r * sine (θ r)
= ∫((resistance R s * current I2) - V2) +
(inductance Ls * I2);
。
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