Fixed a grammatical error.

.ipynb_checkpoints/CALCULUS_2_SURVIVAL_GUIDE-checkpoint.ipynb

@@ -7,7 +7,7 @@
     "# Calculus II Survival Guide\n",
     "\n",
     "### How to Study\n",
-    "Calculus textbooks are not meant to be read like a novel, or even like a history or biology text. Your calculus text should be read in a series of passes. On the first pass through a section, which should be done __before the lecturer covers it,__ skim it lightly, reading definitions and theorems, and trying to work _some_ of the examples. But, you won't fully understand much of what you've read until you start working on the exercises. You should spend about __80% of your study time working problems.__ As you get stuck, you go back, rereading the section, studying the examples and derivations, on a \"need-to-know\" basis.\n",
+    "Calculus textbooks are not meant to be read like a novel, nor even like a history or biology text. Your calculus text should be read in a series of passes. On the first pass through a section, which should be done __before the lecturer covers it,__ skim it lightly, reading definitions and theorems, and trying to work _some_ of the examples. But, you won't fully understand much of what you've read until you start working on the exercises. You should spend about __80% of your study time working problems.__ As you get stuck, you go back, rereading the section, studying the examples and derivations, on a \"need-to-know\" basis.\n",
     "\n",
     "### How much to study\n",
     "Calculus is a hard subject. It is likely that it will be your most challenging course this semester. You should be spending at least 20 hours a week studying calculus—that's 4 hours a day, 5 days a week. Make any necessary adjustments in your academic or work schedules before the semester begins.\n",

CALCULUS_2_SURVIVAL_GUIDE.ipynb

@@ -7,7 +7,7 @@
     "# Calculus II Survival Guide\n",
     "\n",
     "### How to Study\n",
-    "Calculus textbooks are not meant to be read like a novel, or even like a history or biology text. Your calculus text should be read in a series of passes. On the first pass through a section, which should be done __before the lecturer covers it,__ skim it lightly, reading definitions and theorems, and trying to work _some_ of the examples. But, you won't fully understand much of what you've read until you start working on the exercises. You should spend about __80% of your study time working problems.__ As you get stuck, you go back, rereading the section, studying the examples and derivations, on a \"need-to-know\" basis.\n",
+    "Calculus textbooks are not meant to be read like a novel, nor even like a history or biology text. Your calculus text should be read in a series of passes. On the first pass through a section, which should be done __before the lecturer covers it,__ skim it lightly, reading definitions and theorems, and trying to work _some_ of the examples. But, you won't fully understand much of what you've read until you start working on the exercises. You should spend about __80% of your study time working problems.__ As you get stuck, you go back, rereading the section, studying the examples and derivations, on a \"need-to-know\" basis.\n",
     "\n",
     "### How much to study\n",
     "Calculus is a hard subject. It is likely that it will be your most challenging course this semester. You should be spending at least 20 hours a week studying calculus—that's 4 hours a day, 5 days a week. Make any necessary adjustments in your academic or work schedules before the semester begins.\n",