Posts Tagged ‘chart’

It can sometimes be useful to estimate the Snellen or logMAR acuity of a patient based on the size of the font they read at near. While there are tables available showing the conversions, this can not cover all font sizes and reading distances. With some basic trigonometry, you can do the calculations yourself. First, […]

Gnuplot can create candlestick charts out of the box. These charts are often used for graphing financial data, with the middle block representing the difference between the open and close, and the high and low represented with lines protruding from the top and bottom of this box. The bars are colored differently depending on if […]