Casio Scientific Calculator Online

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Online Basic Casio Calculator

Casio FX-82ES Plus

Casio FX-82ES Plus 2nd Edition - Non-Programmable Scientific Calculator, 252 Functions

Casio FX-82MS

Casio FX-82MS 2nd Gen Non-Programmable Scientific Calculator, 240 Functions and 2-line Display

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User Guide for Casio Scientific Calculator Online

This guide explains how to use all features of the Casio-style Scientific Calculator with examples for each function.

Basic Operations of Casio Scientific Calculator Online

1. Number Input

Click number buttons (0-9) to enter digits
Example: To enter 45, click 4 then 5

2. Decimal Point

Click . to add decimal places
Example: 3 . 1 4 → 3.14

3. Clear Functions

Button	Action	Example
AC	Clear all (reset calculator)	Clears current calculation

Basic Calculations

4. Arithmetic Operations

Button	Operation	Example Input	Result
+	Addition	`5 + 3 =`	8
-	Subtraction	`9 - 4 =`	5
×	Multiplication	`6 × 2 =`	12
÷	Division	`8 ÷ 2 =`	4

5. Percentage (%)

Calculates percentage of current value
Example:
50 + 10 % = → 55 (adds 10% of 50)
50 - 10 % = → 45 (subtracts 10%)

6. Sign Change (±)

Toggles between positive/negative
Example: 5 ± → -5

Scientific Functions

7. Trigonometric Functions

Button	Function	Example Input	Result (degrees)
sin	Sine	`30 sin`	0.5
cos	Cosine	`60 cos`	0.5
tan	Tangent	`45 tan`	1

8. Powers & Roots

Button	Function	Example Input	Result
x^y	Power	`2 x^y 3 =`	8 (2³)
√	Square root	`9 √`	3
10^x	Power of 10	`2 10^x`	100

9. Logarithms

Button	Function	Example Input	Result
log	Base-10 log	`100 log`	2
ln	Natural log	`7.389 ln`	~2

10. Constants

Button	Value	Example Usage
π	Pi (3.14159…)	`π × 2 =` → 6.283

11. Factorial (!)

Calculates n!
Example: 5 ! → 120 (5×4×3×2×1)

Memory Functions

Button	Function	Example
M+	Add to memory	`5 M+` adds 5 to memory
M-	Subtract from memory	`3 M-` subtracts 3
MR	Recall memory	Displays stored value
MC	Clear memory	Resets to 0

Memory Example:

5 M+ (stores 5)
3 M+ (memory = 8)
MR → shows 8
MC → resets to 0

Advanced Usage of Casio Scientific Calculator Online

Parentheses ()

For complex calculations
Example: ( 2 + 3 ) × 4 = → 20

Keyboard Support

Type numbers/operators directly:
5 * 3 Enter → 15
4 ^ 2 = → 16
Esc clears all

Tips:

Use AC to completely reset
Chain calculations:
5 + 3 = × 2 = → 16
For scientific notation:
1.23 × 10^4 → Enter as 1.23 10^x 4