Numerical input and output

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<#2060#>286 <#1112#>string-;SPMgt;number<#1112#><#1113#> string<#1113#><#1114#>essential procedure<#1114#> <#1115#>string-;SPMgt;number<#1115#><#1116#> string radix<#1116#><#1117#>essential procedure<#1117#><#2060#>

Returns a number of the maximally precise representation expressed by the given <#1118#>string<#1118#>. <#1119#>Radix<#1119#> must be an exact integer, either 2, 8, 10, or 16. If supplied, <#1120#>radix<#1120#> is a default radix that may be overridden by explicit syntax in <#1121#>string<#1121#> (e.g. <#1122#>;SPMquot;#o177;SPMquot;<#1122#>). If <#1123#>radix<#1123#> is not supplied, then the default radix is 10. If <#1124#>string<#1124#> is not a syntactically valid notation for a number, then <#1125#>string-;SPMgt;number<#1125#> returns <#1126#><#1126#>.

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