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BASIC comparison sheet ProgsVarsMem Page 3

Programs, Variables and Memory

Vendor Casio

Model FX-702 PB-700 PB-770 FX-750P VX-4 Z-1GR FP-200

PB-100

PB-300

FX-700P

FX-710P

PB-220

FX-720P

FX-730P

FX-770P

FX-785P

FX-790P

FX-795P

FX-850P

FX-880P

PB-1000

PB-2000C/AI-1000

with BASIC ROM

OM-53B

Variables A-Z, A0-A9..T0-T9. Fixed variables A-Z.

Numeric range BCD, 10 digits, 2 digits exponent. Special symbol for the exponent. BCD, 10 or 5 digits, 2 digits exponent BCD, 10 digits, 2 digits exponent.

String variables

Fixed string variables A$-Z$, 7 characters, share memory with A-Z.

$, 30 characters. $, 62 characters.

String too long ERR 6 Silent truncation ST error

String literals "STRING" "String" "STRING" "String", "String – Trailing quote can be omitted on line end.

Character set FX-702P PB-100 PB-100 extended ASCII + japanese + graphics ASCII ASCII + japanese + symbols Same as PB-700 ASCII + symbols

Lower case NO Yes NO Yes Yes

Arrays

String arrays N/A

Array dimensions Number and size of dimensions is only limited by memory. Dimensions can be expressions.

Automatic DIM No DIM mode. All arrays must be defined. All arrays must be defined.

Clear variables VAC resets all variables.

CLEAR deletes all variables and arrays.

No DIM mode. ERASE deletes selected arrays. N/A

Fixed variables A-Z, maximum of 40 "registered"

two letter variables or arrays. Use of undefined

two letter variables results in an UV error.

Long variable names, case sensitive, must not start with a keyword.

FX-850P/880P restricts length to 15 characters.

The limit for VX-4, Z-1, PB-1000, OM-53B is unknown but higher than 64.

Longer names are truncated.

All variables are independent. Undefined variables return 0.

Long variable names, case

sensitive, must not start with a

keyword.

Maximum length is 255.

All variables are independent.

Undefined variables return 0.

DEFDBL, DEFSGL <letter range>

and suffixes #and ! allow double

or single precision. Variables of

different types are independent

from each other.

BCD with 2 digts exponent.

Single precision: 6+3 digits.

Doube precision: 16+3 digits.

The three guard digits are not

displayed.

String variable names follow the rules of numeric variables+$.

String length is dynamic up to 255 characters.

The total amount of string space must be set by CLEAR.

Undefined string variables return an empty string.

See left.

DEFSTR <letter range> allows

names without $.

Registered two letter (+$) string variables,

16 characters. Use of undefined two letter string

variables results in an error.

A(...) overlaps variables

A0, A1, etc., created by

DEFM <blocks>.

A(...)-Z(...) overlap A-Z:

A(0)-A(25) are A-Z,

B(0)-B(24) are B-Z,

...

Z(0) is Z.

DIM A(...) creates independent array.

Maximum of 8 arrays.

DIM A(...) defines normal array,

two letter names allowed.

DIM A!(...) defines "half-precision" array,

only A!-Z! allowed.

DIM Name(...) defines array.

Array names follow the rules of numeric variables.

A$(...)-Z$(...) overlap the fixed

string variables A$-Z$ (see

above.)

DIM A$(...) creates independent string

array, 7 characters.

DIM A$(...)*L defines string array with defined

length L, which defaults to 16 characters. Only

A$-Z$ allowed. Length can be an expression.

Maximum string length is 80.

DIM Name$(...) defines string array.

String array names follow the rules of string variables.

String length is dynamic up to 255 characters.

The total amount of string space must be set by CLEAR.

1: (0..10*<blocks>-1)

2: (0..9,0..<blocks>-1)

Maximum index of Z(...) defined

by DEFM.

Three dimensions, up to 255.

Dimensions can be expressions.

Two dimensions, up to 255.

Dimensions can be expressions.

Up to three dimensions. Size is

limited by memory.

OPTION BASE 0 or 1 set the

lowest index for next DIM.

DEFM works like PB-100.

DIM disables DEFM mode.

DEFM works like PB-100.

DIM disables DEFM mode.

Arrays of dimension (10), (10,10)

or (10,10,10) can be created

implicitly by an assignment.

CLEAR or VAC resets all fixed variables.

CLEAR resets all fixed variables and deletes all

registered variables and arrays.

CLEAR or VAC deletes all

variables and arrays.

DIM mode: CLEAR deletes all arrays,

ERASE deletes selected arrays.

ERASE deletes selected registered variables or

arrays.

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