• ★ Calculate X
• ★ 2024-02-29
• ★ Questions & Answers

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About Calculate X

The best calculator application for Android!

- Multiple workspaces with their own history and variables.
- History and variables are automatically saved and restored.
- Evaluates math expressions including grouping.
- Supports trigonometry and other functions.
- Converts troops of distance, speed, temperature, time, volume, and mass.

Create multiple workspaces with their own history and variables that are saved when the app exits. Enter easy or complex mathematical expressions and immediately calculate the result. From adding your grocery bill to calculating cosine to doing your taxes, Calculate X does it all. Use the unique variable `answer` to refer to the most latest result. Tap a previous entry to copy it to the input field. Results are automatically added to a history record, so you don't have to write them down to remember them. Those results are even saved and restored when you exit and restart the application.

There is also a Windows version on the Microsoft Store.

Basic Mathematical Operators

Calculate X supports the basic mathematical operators: addition, subtraction, multiplication, division, modulo, and exponent. You can use parentheses to group expressions and give them precedence.

addition: +
subtraction: -
multiplication: *
division: /
modulo: %
exponent: ^

Example: (3 + 4)*(5 - 2) * (sin(68) / sqrt(25)) + max(16, 7) ^ 2

You can also use algebraic (implied) multiplication in a lot of cases:

Between groups: (3 + 4)(5 - 2)
Before and after groups: -17(9 / 3)42
Before and after functions: 23sqrt(9)ceiling(25 / 2)12
Between groups and functions: (4 + 3)sqrt(9)(12 / 2)
Between groups and variables: (4 + 3)e(12 / 2)
Before variables: 4pi

Variables

You can make variables and access them in your expressions. Variables can include letters, digits, and underscores, but they must start with a letter. All variables and their current values are displayed in the list on the right.

Examples:

x = 23.68
y2 = sqrt(146)
x2y = x * y2
result = 12 + 8.4
subtotal3 = effect - x2y + 87
The 'pi' and 'e' variables are pre-defined. The 'answer' variable always equals the most latest result.

Examples:

y = sin(pi / 2)
y2 = asin(2pi)
x = y + 2
x + 1
(The effect is Four and the respond variable is automatically set to 4.)

You can clear a variable (and remove it from the variables list) by setting it to nothing.

x =

Basic Functions
sqrt(n) - square root of n
cbrt(n) - cube root of n
abs(n) - absolute value of n
pow(n, x) - n to the power of x
min(a, b) - smallest of a and b
max(a, b) - largest of a and b
round(d, n) - d rounded to n decimal places
truncate(d) - d without decimal portion
floor(n) - largest integer smaller than n
ceiling(n) - smallest integer larger than n
random1() - random number r less than One (0 <= r < 1)
randomN(n) - random number r between 0 and n (0 <= r < n)

Trigonometric Functions
cos(t) - cosine of t
cosh(t) - hyperbolic cosine of t
acos(t) - arccosine of t
sin(t) - sine of t
sinh(t) - hyperbolic sine of t
asin(t) - arcsine of t
tan(t) - tangent of t
tanh(t) - hyperbolic tangent of t
atan(t) - arctangent of t
atanh(t) - hyperbolic arctangent of t
atan2(x,y) - arctangent of x/y

Logarithmic Functions
exp(x) - e to the power of x
log(n) - log base e of n
log10(n) - log base 10 of n
log2(n) - log base Two of n

Conversion Functions

To convert between 2 units, use this format:

n[from->to]

Example: 80[kph->mph]

length
Kilometer km
Meter m
Centimeter cm
Millimeter mm
Mile mile
Yard yd
Feet ft
Inch in

speed
Kilometers/hour kph
Meters/second m/s
Miles/hour mph
Feet/second ft/s
Knot knot (nautical-miles/hour)
Mach mach (speed of sound)

temperature
Fahrenheit f
Celsius c
Kelvin k

time
Week wk
Day d
Hour hr
Minute min
Second sec
Millisecond ms

mass
Kilogram kg
Gram g
Milligram mg
Ton ton
Pound lb
Ounce oz

volume
Kiloliter kl
Liter l
Milliliter ml
Gallon gal
Quart qt
Pint pt
Cup cup
Ounce oz

New Features: Fixed inserting text when text is selected to replace the selected text.<br>Increased font size in entry history.<br>Input field is now monospaced to make selection easier.<br>When entering an operator (+-*/) as the first character, Calculate X will automatically enter &#39;answer&#39; before the operator.

Calculate X Cheats, Hints, Way to Modify, How to Use & How to Win.