MathSpeak&trade; Core Specification

All Decimal Numbers

Numbers are attempted to be spoken as they would be naturally. No number indicator is used.

Rule 5.2

Example 1numbers_SIM1-03

verbose	59 times 0 equals 0
brief	59 times 0 equals 0
superbrief	59 times 0 equals 0

Note: "0" should be spoken as "zero" and not "oh."

Rule 1.2 - ID: numbers_NEG1

Example 2numbers_SIM1-10

verbose	pi almost-equals 3.14159
brief	pi almost-equals 3.14159
superbrief	pi almost-equals 3.14159

Note: In this example, the reader or text-to-speech engine should render the pi approximation as "three point one four one five nine."

Comment on example 2

Example 3numbers_SIM1-01

verbose	102 plus 2,214 plus 15 equals 2,331
brief	102 plus 2,214 plus 15 equals 2,331
superbrief	102 plus 2,214 plus 15 equals 2,331

Note: This example (and most examples with numbers) rely on the text-to-speech or human reader to recognize "102" as "one hundred and two," "2,214" as "two thousand two hundred and fourteen," and etc.

Comment on example 3

Comment on rule 1.1

Negative Sign

Minus / hyphen symbols that are used as a negative sign should be interpreted as such.

Rule 5.1, Rule 8.14

Example 1numbers_NEG1-02

verbose	3 minus negative 2
brief	3 minus negative 2
superbrief	3 minus negative 2

Rule 1.3 - ID: numbers_RDX1

Example 2numbers_NEG1-04

verbose	negative y
brief	negative y
superbrief	negative y

Comment on example 2

Example 3numbers_NEG1-01

verbose	negative 32
brief	negative 32
superbrief	negative 32

Comment on example 3

Comment on rule 1.2

Numbers with Base Other than 10

Non-decimal numbers are spelled out.

Comment on rule 1.3

Rule 1.4 - ID: numbers_IND1

Numbers that contain letters

Numbers that contain letters are spelled out and require the number indicator. Capitalization indicators must not be used for the letters.

Rule 2.1

Example 1numbers_IND1-07

verbose	Number Number-sign F F 0 0 0 0
brief	Num num-sign F F 0 0 0 0
superbrief	Num num-sign F F 0 0 0 0

Rule 1.5 - ID: numbers_ROM1

Example 2numbers_IND1-05

verbose	Number 0 x 1 5 F F plus Number 0 x 2 B 0 1 equals Number 0 x 4 1 0 0
brief	Num 0 x 1 5 F F plus Num 0 x 2 B 0 1 equals Num 0 x 4 1 0 0
superbrief	Num 0 x 1 5 F F plus Num 0 x 2 B 0 1 equals Num 0 x 4 1 0 0

Comment on example 2

Example 3numbers_IND1-09

verbose	Number t 2 e 4
brief	Num t 2 e 4
superbrief	Num t 2 e 4

Comment on example 3

Comment on rule 1.4

Roman Numerals

Roman numerals are spelled out and indicate their capitalization.

Rule 2.1, Rule 2.2

Example 1numbers_ROM1-05

verbose	Upper I comma UpperWord I I comma UpperWord I I I comma UpperWord I V comma Upper I period
brief	Upper I comma UpperWord I I comma UpperWord I I I comma UpperWord I V comma Upper I period
superbrief	Upper I comma UpperWord I I comma UpperWord I I I comma UpperWord I V comma Upper I period

Rule 1.6 - ID: numbers_MOD1

Comment on rule 1.5

Numbers with Line or Dots above

The part of the number before the line or dots is spoken as a whole, while the numbers that are being modified are spelled out.

Rule 11.1, Rule 11.9

Example 1numbers_MOD1-05

verbose	StartFraction 22 Over 7 EndFraction equals 3 point ModifyingAbove 1 4 2 8 5 7 with bar
brief	StartFrac 22 Over 7 EndFrac equals 3 point ModAbove 1 4 2 8 5 7 with Bar
superbrief	Frac 22 Over 7 EndFrac equals 3 point ModAbove 1 4 2 8 5 7 with Bar

Note: Most text-to-speech engines will not render the "point" if "3 point" is written as "3.", so numbers ending with a decimal point are explicitly written out.

Rule 1.7 - ID: numbers_SPC1

Comment on rule 1.6

Numbers with Spaces