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 LaTex Help Help with LaTex and writing math equations

 September 13th, 2018, 06:43 AM #1 Banned Camp   Joined: Mar 2015 From: New Jersey Posts: 1,720 Thanks: 126 Evaluation Symbol How do you do this (evaluation symbol) with a tall bar, similar to integral? $\displaystyle {|^{a}}_{-a}$ Thanks Thanks from topsquark Last edited by zylo; September 13th, 2018 at 06:46 AM. September 13th, 2018, 08:11 AM #2 Banned Camp   Joined: Mar 2015 From: New Jersey Posts: 1,720 Thanks: 126 $\displaystyle (x-a)\biggr\rvert_{a}^{b}$ I figured it out using integration symbol as a model and looking up bigger vertical bar: "(x-a)\biggr\rvert_{a}^{b}" September 13th, 2018, 10:15 AM #3 Math Team   Joined: Dec 2013 From: Colombia Posts: 7,683 Thanks: 2664 Math Focus: Mainly analysis and algebra $$\left. x + \cos x\right|_a^b$$ Code: $$\left. x + \cos x\right|_a^b$$ $$\left. x + \frac{x^2}{2}\right|_a^b$$ Code: $$\left. x + \frac{x^2}{2}\right|_a^b$$ It works for any type of bracket. \left. \begin{aligned} x+y&=3 \\ x-y&=1 \end{aligned} \right\} \implies \left\{ \begin{aligned} x &= 2 \\ y &= 1\end{aligned} \right. Code: \left. \begin{aligned} x+y&=3 \\ x-y&=1 \end{aligned} \right\} \implies \left\{ \begin{aligned} x &= 2 \\ y &= 1\end{aligned} \right. \left \right pairs must be matched. Thanks from zylo Last edited by v8archie; September 13th, 2018 at 10:19 AM. Tags evaluation, symbol Thread Tools Show Printable Version Email this Page Display Modes Linear Mode Switch to Hybrid Mode Switch to Threaded Mode Similar Threads Thread Thread Starter Forum Replies Last Post dnice Calculus 2 September 27th, 2018 01:14 PM Rejjy Calculus 11 December 25th, 2016 08:56 PM mathbalarka Calculus 5 February 18th, 2013 12:53 AM lefucer Real Analysis 1 March 23rd, 2008 10:55 AM Soha Algebra 2 February 3rd, 2007 06:33 AM

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