• Units are entered according to standard abbreviations, e.g. kg, cm, ml, yd.

  • Answers must not contain spaces, e.g. 4cm and not 4 cm.

  • Exponentials are entered by typing the base followed by the ^-sign, followed by square brackets surrounding the exponent. Example: The answer 5 to the power of 4 is entered as 5^[4] in the answer box. The answer 10 cm squared is entered as 10cm^[2] in the answer box.

  • Fractions are entered by using the format [[x]/[y]]. Example: The answer 2 thirds is entered as [[2]/[3]]

  • Mixed form is entered similar to fractions. Enter the whole part(s) before the fraction. Example: The answer 2 and 2 thirds is entered as 2[[2]/[3]]

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