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--><span class="nowrap"><!--
START ERROR CHECKING:
-->{{#ifeqiferror:{{valid|number=#expr:{{{1|0}}}}}|false|<!-- Is arg1 not a valid number?
-->|{{FormattingError|Error in {{tl|val}}: first argument is not a valid number or requires too much precision to display.|nocategory={{{nocategory|}}}}}<!--
-->|{{#iferror:{{#expr:{{{2|0}}}}}<!-- Is arg1arg2 not a valid number? NO
--> |{{FormattingError|Error in {{tl|val}}: thirdsecond argument is not negativea valid number.|nocategory={{{nocategory|}}}}}<!-- ▼ -->|{{#ifeqiferror:{{valid|number=#expr:{{{23|0}}}}}|false|<!-- Is arg2arg3 not a valid number?
-->{{FormattingError|Error in {{tl|val}}: second argument is not a valid number or requires too much precision to display.|nocategory={{{nocategory|}}}}}<!--
-->|<!--{{FormattingError|Error Isin arg2{{tl|val}}: third argument is not a valid number? NO.|nocategory={{{nocategory|}}}}}<!--
-->|{{#ifeqifexpr:{{valid|number= {{{3|0-1}}}}}|false| > 0<!-- Is arg3 notpositive aor valid number-0?
-->|{{FormattingError|Error in {{tl|val}}: third argument is not a valid number or requires too much precision to displaynegative.|nocategory={{{nocategory|}}}}}<!--
-->|{{#iferror:{{#expr:{{{e|0}}}}}<!-- Is arg3arg "e" not a valid number? NO
▲ --> |{{FormattingError|Error in {{tl|val}}: secondexponent argument('''e''') is not a valid number or requires too much precision to display.|nocategory={{{nocategory|}}}}}<!--
-->{{#ifexpr: {{{3|-1}}} > 0|<!-- Is arg3 positive or -0?
--> |{{#ifeq:{{{u}}}{{{ul}}}|{{{u|}}}{{{ul|}}} |<!-- Is arg "u" and "ul" specified? ▼▲ -->{{FormattingError|Error in {{tl|val}}: third argument is not negative.|nocategory={{{nocategory|}}}}}<!--
--> |{{FormattingError|Error in {{tl|val}}: unit ('''u''') and units with link ('''ul''') are both specified, only one is allowed.|nocategory={{{nocategory|}}}}}<!-- ▼ -->|<!-- Is arg3 positive? NO
-->|{{#ifeq:{{valid{up}}}{{{upl}}}|number={{{eup|0}}}{{{upl|}}}|false|<!-- Is arg "eup" notand a valid"upl" numberspecified?
-->|{{FormattingError|Error in {{tl|val}}: exponentunit per ('''eup''') isand notunits aper validwith numberlink or('''upl''') requiresare tooboth muchspecified, precisiononly toone is displayallowed.|nocategory={{{nocategory|}}}}}<!--
-->|<!-- Is arg "eup" notand a valid"upl" numberspecified? NO
▲ -->{{#ifeq:{{{u}}}{{{ul}}}|{{{u|}}}{{{ul|}}}|<!-- Is arg "u" and "ul" specified?
▲ -->{{FormattingError|Error in {{tl|val}}: unit ('''u''') and units with link ('''ul''') are both specified, only one is allowed.|nocategory={{{nocategory|}}}}}<!--
-->|<!-- Is arg "u" and "ul" specified? NO
-->{{#ifeq:{{{up}}}{{{upl}}}|{{{up|}}}{{{upl|}}}|<!-- Is arg "up" and "upl" specified?
-->{{FormattingError|Error in {{tl|val}}: unit per ('''up''') and units per with link ('''upl''') are both specified, only one is allowed.|nocategory={{{nocategory|}}}}}<!--
-->|<!-- Is arg "up" and "upl" specified? NO
END OPENING OF ERROR CHECKING, START OUTPUT
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