Keyboard

List of numbers, operations and functions available from the keyboard:

Symbol: Description:

2ndF Activates the second symbol.

You can go directly to the second symbol of a button: press and hold the button.

3ndF Activates the third symbol.

You can go directly to the third symbol of a button: press the button and slide your finger.

CLR Clears the contents of the display.

BACK Deletes the last symbol of the formula, or clears the symbol to the left of the cursor if the correction mode is on, or returns to the formula if the result is displayed.

DEL Deletes the last symbol of the formula, or clears the symbol to the right of the cursor if the correction mode is on, or clears the display if a result is displayed.

F1 Formula button which is associated

- with a formula, previously stored in

F12 the list of formulas, for rapid execution. F1 to F2 for VFCalcLite and F1 to F12 VFCalc.

V Opens the list of variables.

V+ Creates a new variable with the result.

C Opens the list of constants.

C+ Creates a new constant with the result.

F Opens the list of formulas.

F+ Saves the displayed formula.

M Symbol of memory.

M= Save the displayed value into memory.

M+ Adds the displayed value to the value of the memory and save the new value into memory.

M- Subtract the displayed value from the value of memory and save the new value into memory.

0-9 Numbers

⁰⁻⁹ Exponents

X⁻¹ Raise to the power minus one (1/x).

√ Root

Only = square root

Preceded by 'n' exponent = root 'nth'

n! Factorial

PREF Opens the preferences menu.

HIST Opens the calculation history.

( ) Parentheses

% Percent

eY Base of the natural logarithm (constant) power Y.

LN Natural logarithm

X10Y Multiplied by power of ten.

LOG Logarithm

SIN Sinus

The reverse is obtained by adding exponent -1: SIN⁻¹.

COS Cosine

The reverse is obtained by adding exponent -1: COS⁻¹.

TAN Tangent

The reverse is obtained by adding exponent -1: TAN⁻¹.

HYP Transforms SIN, COS and TAN in

SINH, COSH and TANH (hyperbolic).

The reverse is obtained by adding exponent -1: SINH⁻¹ COSH⁻¹ TANH⁻¹.

Π PI (Constant)

× Multiplication

÷ Division

+ Addition

- Subtraction or negative sign

HELP Opens help of VFCalc.

. Decimal

= End of formula

Saves the result in a variable.

ENTER Performs calculations.

The color of the keys text represents the groups of numbers, operations and functions. You can disable the color in the preference menu.

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