Scientific Models - CASIO Calculator Showcase
Complete Guide to Calculator Button Symbols
This comprehensive guide showcases popular CASIO scientific calculator models and explains the functions of all button symbols. Click on any calculator button to see its description!
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Button Symbols Guide
Basic
Scientific
Advanced
AC
All Clear
Clears all input and memory, resetting the calculator
DEL
Delete
Deletes the last entered character or digit
Ans
Answer
Recalls the result of the last calculation
=
Equals
Executes the calculation and displays result
sin/cos/tan
Trigonometric Functions
Calculates sine, cosine, or tangent of an angle
sin⁻¹/cos⁻¹/tan⁻¹
Inverse Trigonometric
Calculates arcsine, arccosine, or arctangent
log
Logarithm (Base 10)
Calculates the base 10 logarithm of a number
ln
Natural Logarithm
Calculates the natural logarithm (base e)
10ˣ
Power of 10
Raises 10 to the power of the entered value
eˣ
Exponential
Raises e to the power of the entered value
√
Square Root
Calculates the square root of a number
x²
Square
Squares the entered number
x^
Power
Raises a number to a specified power
π
Pi
Inserts the mathematical constant π (approx 3.14159)
(-)
Negate
Changes the sign of the entered number
Shift
Secondary Functions
Accesses the secondary function printed above keys
Mode
Mode Setting
Accesses calculator mode settings (degrees/radians, etc.)
Alpha
Alphabetic Mode
Accesses letters for variable names and other functions
Popular CASIO Scientific Models
fx-991EX
fx-991EX Classwiz
Natural textbook display, spreadsheet calculations, QR code generation
fx-115ES
fx-115ES Plus
2-line display, 280 functions, complex number calculations
fx-9860G
fx-9860GII
Graphing calculator, icon menu, large LCD screen
fx-CG50
fx-CG50 PRIZM
Color graphing, 3D graphing, picture plot function