/usr/share/help/te/ is in mate-calc-common 1.20.1-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/help/te/mate-calc/
/usr/share/help/te/mate-calc/absolute.page
/usr/share/help/te/mate-calc/base.page
/usr/share/help/te/mate-calc/boolean.page
/usr/share/help/te/mate-calc/complex.page
/usr/share/help/te/mate-calc/conv-base.page
/usr/share/help/te/mate-calc/conv-character.page
/usr/share/help/te/mate-calc/conv-currency.page
/usr/share/help/te/mate-calc/conv-length.page
/usr/share/help/te/mate-calc/conv-time.page
/usr/share/help/te/mate-calc/conv-weight.page
/usr/share/help/te/mate-calc/equation.page
/usr/share/help/te/mate-calc/factorial.page
/usr/share/help/te/mate-calc/factorize.page
/usr/share/help/te/mate-calc/financial.page
/usr/share/help/te/mate-calc/functions.page
/usr/share/help/te/mate-calc/index.page
/usr/share/help/te/mate-calc/keyboard.page
/usr/share/help/te/mate-calc/legal.xml
/usr/share/help/te/mate-calc/logarithm.page
/usr/share/help/te/mate-calc/modulus.page
/usr/share/help/te/mate-calc/mouse.page
/usr/share/help/te/mate-calc/number-display.page
/usr/share/help/te/mate-calc/percentage.page
/usr/share/help/te/mate-calc/power.page
/usr/share/help/te/mate-calc/scientific.page
/usr/share/help/te/mate-calc/superscript.page
/usr/share/help/te/mate-calc/trigonometry.page
/usr/share/help/te/mate-calc/variables.page