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Supported Characters for calcPad Questions

When typing or pasting in calcPad®, only the following characters are allowed.

A warning is displayed if you answer contains characters not in this list. Remove the unsupported characters before submitting your answer. If needed, use the pad tools to enter notation.

Character or Range Unicode Name Unicode Code
SPACE U+0020
! EXCLAMATION MARK U+0021
" QUOTATION MARK U+0022
# NUMBER SIGN U+0023
% PERCENT SIGN U+0025
& AMPERSAND U+0026
' APOSTROPHE U+0027
( LEFT PARENTHESIS U+0028
) RIGHT PARENTHESIS U+0029
* ASTERISK U+002A
+ PLUS SIGN U+002B
, COMMA U+002C
- HYPHEN-MINUS U+002D
. FULL STOP U+002E
/ SOLIDUS U+002F
0 - 9 DIGIT ZERO - DIGIT NINE U+0030 - U+0039
: COLON U+003A
; SEMICOLON U+003B
< LESS-THAN SIGN U+003C
= EQUALS SIGN U+003D
> GREATER-THAN SIGN U+003E
? QUESTION MARK U+003F
@ COMMERCIAL AT U+0040
A - Z LATIN CAPITAL LETTER A - LATIN CAPITAL LETTER Z U+0041 - U+005A
[ LEFT SQUARE BRACKET U+005B
\ REVERSE SOLIDUS U+005C
] RIGHT SQUARE BRACKET U+005D
^ CIRCUMFLEX ACCENT U+005E
_ LOW LINE U+005F
a - z LATIN SMALL LETTER A - LATIN SMALL LETTER Z U+0061 - U+007A
{ LEFT CURLY BRACKET U+007B
} RIGHT CURLY BRACKET U+007D
~ TILDE U+007E
¬ NOT SIGN U+00AC
° DEGREE SIGN U+00B0
· MIDDLE DOT U+00B7
÷ DIVISION SIGN U+00F7
Α - Ω GREEK CAPITAL LETTER ALPHA - GREEK CAPITAL LETTER OMEGA U+0391 - U+03A9
α - ω GREEK SMALL LETTER ALPHA - GREEK SMALL LETTER OMEGA U+03B1 - U+03C9
BULLET U+2022
SCRIPT SMALL L U+2113
SCRIPT CAPITAL E U+2130
EMPTY SET U+2205
MINUS SIGN U+2212
INFINITY U+221E
INTERSECTION U+2229
UNION U+222A
LESS-THAN OR EQUAL TO U+2264
GREATER-THAN OR EQUAL TO U+2265