Casio fx-3650P

The calculator is available in 6 modes:fx-3650P Users' Guide, Page E-8

• Basic arithmetic calculations
• Complex number calculations
• Standard deviation calculations
• Regression calculations
• Base-n calculations
• Programs

• Arithmetic calculationsfx-3650P Users' Guide, Page E-11
• Fraction operationsfx-3650P Users' Guide, Page E-12
• Fraction calculations
• Decimal↔fraction conversions
• Mixed fraction↔improper fraction conversionsfx-3650P Users' Guide, Page E-13
• Percentage calculations
• Degrees, minutes, seconds calculationsfx-3650P Users' Guide, Page E-14
• Rounding (must be used with Fix decimal display mode)
• Trigonometric functionsfx-3650P Users' Guide, Page E-21
• Hyperbolic functionfx-3650P Users' Guide, Page E-22
• Logarithm
• Natural logarithm
• Antilogarithm
• Differential calculusfx-3650P Users' Guide, Page E-34
• Integral calculus

In this mode, if the result has both real and imaginary parts, an "R↔I" symbol will appear at the top right corner.fx-3650P Users' Guide, Page E-17

• Absolute value and argument calculationsfx-3650P Users' Guide, Page E-18
• Rectangular↔polar form display
• Conjugate calculationsfx-3650P Users' Guide, Page E-19

This mode is for statistical calculation. For some input data, the sum of squares of values (Σx²), sum of values (Σx), number of data (n), sample standard deviation (xσn-1) and population standard deviation (xσn) can be calculated.fx-3650P Users' Guide, Page E-25

This mode is for statistical calculation and can be divided further into:fx-3650P Users' Guide, Page E-28

• Linear regression: y=A+Bxfx-3650P Users' Guide, Page E-32
• Logarithmic regression: y=A+B*ln x
• Exponential regression: ln y=ln A+Bx
• Power regression: y=A+x^B
• Inverse regression: y=A+B/xfx-3650P Users' Guide, Page E-33
• Quadratic regression: y=A+Bx+Cx²

For some input ordered pairs, one of the below can be calculated.fx-3650P Users' Guide, Page E-28 & E-29 (The availability differs from modes.)

Σx², Σx, n, Σy², Σy, Σxy, $\backslash bar\{x\}$, xσn, xσn-1, $\backslash bar\{y\}$, yσn, yσn-1, Regression coefficient A, Regression coefficient B, Correlation coefficient r, $\backslash hat\{x\}$, $\backslash hat\{y\}$, Σx³, Σx²y, Σx⁴, Regression coefficient C, $\backslash hat\{x\}$₁and $\backslash hat\{x\}$₂

The calculator can hold up to 4 programs with a total capacity of 360 bytes.

Program commands:fx-3650P Users' Guide, Page E-41

• ? - Operator input command, used when user's input is required. Usually used with →(variable)
• → - Assign to variable command, to assign the value before it to the variable after it. Always used as (value)→(variable).
• : - Multi-statement separator, separate program statements
• ◢ - Output command, output the value
• $\backslash Rightarrow$ - Conditional jump, jump when conditions are met
• = - Relational operator
• ≠ - Relational operator
• > - Relational operator
• $\backslash geqq$ - Relational operator
• Goto - Unconditional jump, jump to label, otherwise Lbl
• Lbl - Label, jump destination

Conditional jumpsfx-3650P Users' Guide, Page E-42 should be used in the syntax:

condition $\backslash Rightarrow$ statement 1 : statement 2

When condition is true, statement 1 is executed, then statement 2 is executed. If condition is false, statement 1 is skipped and statement 2 is executed.

E.g.:

...A=0$\backslash Rightarrow$A+1→B:C+5→D:...

If A=0, both A+1→B and C+5→D is executed. If A≠0, only C+5→D is executed.

Unconditional jumps use Goto and Lbl to operate.

When Goto n (where n is an integer in 0-9) is executed, the program will jump to Lbl n. Loops can be created with unconditional jumps.

The calculator will perform a system check when shift, 7 and ON are pressed together. The system check has 3 parts.

Part 1: Elements check - All display elements are turned on when the system check is initiated. Pressing [SHIFT] turns the elements off. Press [SHIFT] to proceed. The next 2 screens have similar functions.

Part 2: display check - The dot matrix screen will display "24      PRG13" and the LCD screen will display "0000000000 ⁰⁰". Press shift to proceed. Then the display becomes "BBBBBBBBBB" and "1111111111 ¹¹". Then "CCCCCCCCCC" and "222222222 ²²" and so on up till "JJJJJJJJJJ""9999999999 ⁹⁹". Press shift to proceed to part 3.

Part 3: key check - Press shift, the LCD will display 1. Press alpha, up, down, left, right in order. The display will increase by 1 each time you press a button. Next, press MODE, prog, $\backslash textstyle\; \backslash int$dx, x⁻¹, x³, and so on up till Ans. When EXE is pressed, the display becomes "24      OK""13" (The display differs from version, the above is for version 4 of the calculator which is the latest version). Press ON to end the system check.

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fx-3650P

Category:Products introduced in 2002