Libre Office Writer: Insert/Object/Formula in the expression %varrho = %irho or for that matter any greek letter, very different fonts are used in %var- and in %i-. Quite confusing and probably not intended! I have no later version of Libre Office installed :-(
Created attachment 164777 [details] Screenshot with 7.0.0 on Windows Just an example screenshot for %ixxx = %varxxx greek letter comparison
The font used in the formulas are configurable, even for old versions like 6.0.7. So likely there is something special about your system, because as my screenshot shows, the default "Liberation Serif, italic" font for variable names gives rather consistent shapes for %ixxx and %varxxx Greek symbols. Please attach a screenshot to illustrate the "very different fonts" problem in your LibreOffice.
My screenshot would look exactly like the one you created. As you can see in that sample, the %irho and -epsilon are indeed Times New Roman, italic, but the %varrho and -epsilon is of a quite different font, rather something like OpenSymbol. It seems that %var is not responding to the preferred font. See also https://en.wikipedia.org/wiki/Rho
(In reply to Ola Smith from comment #3) > My screenshot would look exactly like the one you created. As you can see in > that sample, the %irho and -epsilon are indeed Times New Roman, italic, but > the %varrho and -epsilon is of a quite different font, rather something like > OpenSymbol. It seems that %var is not responding to the preferred font. I am not sure I follow your claim that they are in different fonts. The symbol %irho represents character ρ (Unicode U+3C1), and the symbol %varrho represents ϱ (U+3F1). They are different characters, and are using the same font in the formula editor, as far as I can see. > See also https://en.wikipedia.org/wiki/Rho Exactly which part of the page am I supposed to see? The first sentence says "... lowercase ρ or ϱ".
Please accept my humble apologies ... I was barking under the wrong tree ... I hadn't understood the difference between %i and %var. A formula that was created quite a while ago, at the time when the right click support was still graphical, caught my eye. Anyway, today's formula support would not fool anyone, I think. I am sorry ...
(In reply to Ola Smith from comment #5) It's alright. There are actually four different symbols for lowercase rho, two upright and two italic (diffrentiated by "i"), as well as two of one shape ρ and two of the other shape ϱ (diffrentiated by "var"), so it's easy to get confused. It doesn't help that there is a problem with displaying the upright symbols right now (at least for my version 6.4.6), which makes %rho and %irho look the same. I've filed bug 136251 for this issue.