Julian to Gregorian and old style datingJulian to Gregorian and old style dating: a calculator subject on Super Calculator. Stub page: the subject map is recorded, the tools are not published yet.stub
Movable feasts and computusMovable feasts and computus: a calculator subject on Super Calculator. Covers easter date calculator. Stub page while the calculators in it are built.stub
Regnal years and legal document datingRegnal years and legal document dating: a calculator subject on Super Calculator. Stub page: the subject map is recorded, the tools are not published yet.stub